Information card for entry 9005629

Structure parameters

• Mineral name: Pigeonite
• Formula: Ca0.15 Mg1.85 O6 Si2
• Calculated formula: Ca0.15 Mg1.85 O6 Si2
• Title of publication: Topological analysis of the electron density of the clinopyroxene structure by the maximum entropy method: an exploratory study Sample: Dien2 Note: c-cell parameter changed by personal communication with author, Dec 2003
• Authors of publication: Merli, M.; Camara, F.
• Journal of publication: European Journal of Mineralogy
• Year of publication: 2003
• Journal volume: 15
• Pages of publication: 903 - 911
• a: 9.651 Å
• b: 8.846 Å
• c: 5.252 Å
• α: 90°
• β: 108.38°
• γ: 90°
• Cell volume: 425.504 ų
• Number of distinct elements: 4
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No